Spurrite
id:
spurrite-260-9458623
title:
Spurrite
text:
Spurrite is a white, yellow or light blue mineral with monoclinic crystals. Its chemical formula is Ca5(SiO4)2CO3. Spurrite is generally formed in contact metamorphism zones as mafic magmas are intruded into carbonate rocks. Spurrite's space group is P 2/a. It is biaxial with a birefringence of 0.0390–0.0400, giving second order red interference colors when viewed under crossed polarizers in a petrographic microscope. The calcium is in six-fold coordination with the oxygen, the silicon is in a f
brand slug:
wiki
category slug:
encyclopedia
description:
Nesosilicate mineral
original url:
https://en.wikipedia.org/wiki/Spurrite
date created:
date modified:
2024-01-10T21:33:17Z
main entity:
{"identifier":"Q1956872","url":"https://www.wikidata.org/entity/Q1956872"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/e/e9/Spurrite_Calcium_silicate_and_carbonate_Luna_county_New_mexico_1873.jpg","width":800,"height":800}
fields total:
13
integrity:
15